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為什么我的電腦與F940觸摸屏無法通訊。我的通訊線的接法是DB9孔2----------------------3
                                                                                                                         3----------------------2
                                                                                                                         5----------------------5
                                                                                                                         6----------------------4
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                                                                                                                         4----------------------6
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謝謝老大，明天我到公司去試下。